TABLE 1.
Demographic characteristics of study population according to increasing number of nasopharyngeal swab cultures positive for S. pneumoniaea
| Subject | Sex | Nutrition | Siblings | Day care | AOM (no. of episodes) | Colonization (no. of positive samples)b |
|---|---|---|---|---|---|---|
| 1.R | F | F | Y | N | 1 | 1 |
| 2.B | F | B | Y | N | 0 | 1 |
| 3.T | M | B | N | Y | 0 | 1 |
| 4.B | M | B | Y | Y | 3 | 1 |
| 5.G | M | B | Y | N | 4 | 1 |
| 6.L | F | B | Y | N | 0 | 2 |
| 7.S | M | F | Y | Y | 3 | 2 |
| 8.S | M | B | Y | N | 5 | 2 |
| 9.B | F | B | N | N | 0 | 3 |
| 10.M | F | B | Y | N | 2 | 3 |
| 11.R | F | F | Y | Y | 3 | 3 |
| 12.K | F | F | Y | Y | 4 | 3 |
| 13.K | F | F | Y | N | 6 | 4 |
| 14.S | M | F | Y | Y | 6 | 4 |
| 15.K | F | B | Y | N | 2 | 5 |
| 16.P | F | F | Y | Y | 3 | 5 |
| 17.W | M | F | N | N | 4 | 5 |
| 18.B | F | F | Y | N | 5 | 5 |
| 19.P | F | F | N | Y | 5 | 8 |
a
All individuals were Caucasian. Abbreviations: F, female; M, male; F, formula; B, breast; Y, yes; N, no; AOM, acute otitis media.
b
The results represent the number of samples positive by culture (a total of 13 samples were obtained from each child).